3 # Copyright ByWater Solutions 2014
5 # This file is part of Koha.
7 # Koha is free software; you can redistribute it and/or modify it under the
8 # terms of the GNU General Public License as published by the Free Software
9 # Foundation; either version 3 of the License, or (at your option) any later
12 # Koha is distributed in the hope that it will be useful, but WITHOUT ANY
13 # WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
14 # A PARTICULAR PURPOSE. See the GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License along
17 # with Koha; if not, write to the Free Software Foundation, Inc.,
18 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
28 Koha::Objects - Koha Object set base class
33 my @objects = Koha::Objects->search({ borrowernumber => $borrowernumber});
37 This class must be subclassed.
45 =head3 Koha::Objects->new();
47 my $object = Koha::Objects->new();
55 bless( $self, $class );
58 =head3 Koha::Objects->_new_from_dbic();
60 my $object = Koha::Objects->_new_from_dbic( $resultset );
65 my ( $class, $resultset ) = @_;
66 my $self = { _resultset => $resultset };
68 bless( $self, $class );
71 =head3 Koha::Objects->find();
73 my $object = Koha::Objects->find($id);
74 my $object = Koha::Objects->find( { keypart1 => $keypart1, keypart2 => $keypart2 } );
79 my ( $self, $id ) = @_;
81 return unless defined($id);
83 my $result = $self->_resultset()->find($id);
85 return unless $result;
87 my $object = $self->object_class()->_new_from_dbic( $result );
92 =head3 Koha::Objects->find_or_create();
94 my $object = Koha::Objects->find_or_create( $attrs );
99 my ( $self, $params ) = @_;
101 my $result = $self->_resultset->find_or_create($params);
103 return unless $result;
105 my $object = $self->object_class->_new_from_dbic($result);
110 =head3 Koha::Objects->search();
112 my @objects = Koha::Objects->search($params);
117 my ( $self, $params, $attributes ) = @_;
120 my @dbic_rows = $self->_resultset()->search($params, $attributes);
122 return $self->_wrap(@dbic_rows);
126 my $class = ref($self) ? ref($self) : $self;
127 my $rs = $self->_resultset()->search($params, $attributes);
129 return $class->_new_from_dbic($rs);
133 =head3 Koha::Objects->next();
135 my $object = Koha::Objects->next();
137 Returns the next object that is part of this set.
138 Returns undef if there are no more objects to return.
145 my $result = $self->_resultset()->next();
146 return unless $result;
148 my $object = $self->object_class()->_new_from_dbic( $result );
153 =head3 Koha::Objects->reset();
155 Koha::Objects->reset();
157 resets iteration so the next call to next() will start agein
158 with the first object in a set.
165 $self->_resultset()->reset();
170 =head3 Koha::Objects->as_list();
172 Koha::Objects->as_list();
174 Returns an arrayref of the objects in this set.
181 my @dbic_rows = $self->_resultset()->all();
183 my @objects = $self->_wrap(@dbic_rows);
185 return wantarray ? @objects : \@objects;
188 =head3 Koha::Objects->unblessed
190 Returns an unblessed representation of objects.
197 return [ map { $_->unblessed } $self->as_list ];
200 =head3 Koha::Objects->_wrap
202 wraps the DBIC object in a corresponding Koha object
207 my ( $self, @dbic_rows ) = @_;
209 my @objects = map { $self->object_class()->_new_from_dbic( $_ ) } @dbic_rows;
214 =head3 Koha::Objects->_resultset
216 Returns the internal resultset or creates it if undefined
224 $self->{_resultset} ||=
225 Koha::Database->new()->schema()->resultset( $self->_type() );
227 return $self->{_resultset};
230 return Koha::Database->new()->schema()->resultset( $self->_type() );
236 my @columns = Koha::Objects->columns
238 Return the table columns
244 return Koha::Database->new->schema->resultset( $class->_type )->result_source->columns;
249 The autoload method is used call DBIx::Class method on a resultset.
251 Important: If you plan to use one of the DBIx::Class methods you must provide
252 relevant tests in t/db_dependent/Koha/Objects.t
253 Currently count, pager, reset and update are covered.
258 my ( $self, @params ) = @_;
260 my $method = our $AUTOLOAD;
263 my $r = eval { $self->_resultset->$method(@params) };
265 carp "No method $method found for " . ref($self) . " " . $@;
273 The _type method must be set for all child classes.
274 The value returned by it should be the DBIC resultset name.
275 For example, for holds, _type should return 'Reserve'.
283 This method must be set for all child classes.
284 The value returned by it should be the name of the Koha
285 object class that is returned by this class.
286 For example, for holds, object_class should return 'Koha::Hold'.
296 Kyle M Hall <kyle@bywatersolutions.com>